The classic plus has a front loading main compartment, a quick-access front panel zip pocket, an enhanced air-mesh back panel, chest and waist straps, a water bottle holder and a telescopic handle sleeve on rear panel.Features:weight:1175 g / 2 lb 9 ounces.Capacity:42l.Dimensions:54 x 35 x 20 cm / 21.3 x 13.8 x 7.9 inch.Laptop size (sleeve):up to 17.600 denier polyester fabric.Abrasion-resistant fabric.Water-resistant coating.Ykkâ® zippers - features the highest quality primary zips.